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| M12 |
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| 15 |
| PART NUMBER FOR ORDERING |
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| PART NUMBER FOR ORDERING |
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1 | Inlet Adapter |
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| MOTOR ASSEMBLY (includes items 13 thru 24) | 44645 | |||
2 | Air Diffuser | 44649 |
| 25 | Bevel Pinion | See table | ||
3 | Roll Pin |
| 26 | Housing | See table | |||
4 | Throttle Lever (for | See table |
| 27 | Nut | 43749 | ||
5 | Head | See table |
| 28 | Bevel Gear | See table | ||
6 | Lock Nut | 44654 |
| 29 | Ball Bearing | 43750 | ||
7 | Retaining Ring |
| 30 | Collet Shaft | 44646 | |||
8 | Valve | 39382 |
| 31 | Drive Shaft | 45171 | ||
9 | ‘‘O” Ring |
| 32 | Lip Seal | 41447 | |||
10 | Spring | 43244 |
| 33 | Bearing Lock Nut | 43909 | ||
11 | Washer | 31389 |
| 34 | Collet | See table | ||
12 | Cover Screw | 33920 |
| 35 | Collet Nut | 41751 | ||
13 | Screw |
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| OPTIONAL |
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14 | Washer |
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15 | Ball Bearing | 42516 |
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| Sanding Pad (2”) | 44648 | ||
16 | Wavy Spring | 43150 |
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| Sanding Pad (3”) | 44647 | ||
17 | Rear End Plate | 43185 |
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| Collet (1/8” cap.) | |||
18 | Rotor Blade (4 req’d) | 41638 |
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| Collet (3/16” cap.) | |||
19 | Rotor | 44641 |
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| Collet (3 mm cap.) | |||
20 | Spacer | 43149 |
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| Collet (6 mm cap.) | |||
21 | Roll Pin (2 req’d) |
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| NOT SHOWN |
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22 | Cylinder (includes item 21) | 43152 |
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23 | Front End Plate | 43184 |
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| 8479–1–( ) and 8479–2–( ) ) | 37167 | ||
24 | Ball Bearing | 42515 |
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| Wrench (furnished with all models) . . . . | 39785 | ||
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DISASSEMBLY/ASSEMBLY INSTRUCTIONS
Always wear eye protection when operating or perform- ing maintenance on this tool.
Always turn off the air supply and disconnect the air supply hose before installing, removing or adjusting any accessory on this tool or before performing any mainte- nance on this tool.
•Never apply excessive pressure by a holding device which may cause distortion of a part.
•Apply pressure evenly to parts which have a press fit.
•Apply even pressure to the bearing race that will be press fitted to the mating part.
•Use correct tools and fixtures when servicing this tool.
•Don’t damage ‘‘O” rings when servicing this tool.
•Use only genuine ARO replacement parts for this tool. When ordering, specify part number, description, tool model num- ber and serial number.
RIGHT–ANGLE DISASSEMBLY
–Remove lock nut (33). Remove shaft and components.
–Remove nut (27), gear (28) and bearing (29).
–Remove collet nut (35) and collet (34).
RIGHT–ANGLE ASSEMBLY
–Lubricate bearing (29) with ARO 33153 grease.
–Press bearing (29) onto shaft (30 or 31).
–Assemble gear (28) and nut (27) to shaft. Tighten to 15 – 18 ft lbs.
–Assemble seal (32) to lock nut (33). NOTE: Press seal to a depth of .125” .015.
–Assemble lock nut (33), with seal (32), to shaft.
–Lubricate bearing in housing and gear with ARO 33153 grease.
–Assemble shaft and components to housing and secure with lock nut (33).
–Assemble collet (34) to shaft and secure with collet nut (35).
MOTOR DISASSEMBLY
–Remove head section. Remove motor from housing.
–Remove gear (25) from rotor.
–Tap threaded end of rotor with a soft face hammer; motor will come apart. NOTE: Bearings are light press fit in end plates and press fit on rotor.
–NOTE: Screw (13) is assembled to rotor with a hard drying adhesive and should not be disassembled unless it is nec- essary to replace a worn part.
5
